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31023121445230 = 253102312144523
BaseRepresentation
bin1110000110111001000100…
…01000100011000101101110
311001211210002200012022002111
413003130202020203011232
513031240323042221410
6145551454130314234
76351226604235445
oct703344210430556
9131753080168074
1031023121445230
119980917314a72
1235905a472897a
1314406109a8915
14793754495d5c
1538beb133db8a
hex1c372222316e

31023121445230 has 8 divisors (see below), whose sum is σ = 55841618601432. Its totient is φ = 12409248578088.

The previous prime is 31023121445177. The next prime is 31023121445269. The reversal of 31023121445230 is 3254412132013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 31023121445192 and 31023121445201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1551156072252 + ... + 1551156072271.

It is an arithmetic number, because the mean of its divisors is an integer number (6980202325179).

Almost surely, 231023121445230 is an apocalyptic number.

31023121445230 is a deficient number, since it is larger than the sum of its proper divisors (24818497156202).

31023121445230 is a wasteful number, since it uses less digits than its factorization.

31023121445230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102312144530.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 31023121445230 its reverse (3254412132013), we get a palindrome (34277533577243).

The spelling of 31023121445230 in words is "thirty-one trillion, twenty-three billion, one hundred twenty-one million, four hundred forty-five thousand, two hundred thirty".

Divisors: 1 2 5 10 3102312144523 6204624289046 15511560722615 31023121445230