Search a number
-
+
31255153314102 = 2328871957606997
BaseRepresentation
bin1110001101101001010000…
…10011111000100100110110
311002122222000101002112001200
413012310220103320210312
513044041023222022402
6150250230314433330
76404052556464324
oct706645023704466
9132588011075050
1031255153314102
119a60266253373
12360955b732846
13145946b314a53
147a0a867b4d14
1539304199721c
hex1c6d284f8936

31255153314102 has 24 divisors (see below), whose sum is σ = 67795845554736. Its totient is φ = 10406638790736.

The previous prime is 31255153314071. The next prime is 31255153314157. The reversal of 31255153314102 is 20141335155213.

It is a happy number.

31255153314102 is a `hidden beast` number, since 3 + 1 + 2 + 5 + 5 + 1 + 533 + 14 + 102 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 978787533 + ... + 978819464.

It is an arithmetic number, because the mean of its divisors is an integer number (2824826898114).

Almost surely, 231255153314102 is an apocalyptic number.

31255153314102 is an abundant number, since it is smaller than the sum of its proper divisors (36540692240634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31255153314102 is a wasteful number, since it uses less digits than its factorization.

31255153314102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957607892 (or 1957607889 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 31255153314102 its reverse (20141335155213), we get a palindrome (51396488469315).

The spelling of 31255153314102 in words is "thirty-one trillion, two hundred fifty-five billion, one hundred fifty-three million, three hundred fourteen thousand, one hundred two".

Divisors: 1 2 3 6 9 18 887 1774 2661 5322 7983 15966 1957606997 3915213994 5872820991 11745641982 17618462973 35236925946 1736397406339 3472794812678 5209192219017 10418384438034 15627576657051 31255153314102