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31023323301130 = 254321677843337
BaseRepresentation
bin1110000110111001011100…
…01010100100010100001010
311001211210121202000122022221
413003130232022210110022
513031241231231114010
6145551530141004254
76351234605052556
oct703345612442412
9131753552018287
1031023323301130
119980a10255326
12359064025368a
131440643762894
147937731dc866
1538bec3e12dda
hex1c372e2a450a

31023323301130 has 24 divisors (see below), whose sum is σ = 57170833899012. Its totient is φ = 12120740259264.

The previous prime is 31023323301043. The next prime is 31023323301149. The reversal of 31023323301130 is 3110332332013.

It can be written as a sum of positive squares in 2 ways, for example, as 30701982837969 + 321340463161 = 5540937^2 + 566869^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31023323301095 and 31023323301104.

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, 838903179 + ... + 838940158.

Almost surely, 231023323301130 is an apocalyptic number.

31023323301130 is a deficient number, since it is larger than the sum of its proper divisors (26147510597882).

31023323301130 is a wasteful number, since it uses less digits than its factorization.

31023323301130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677843430 (or 1677843387 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 31023323301130 its reverse (3110332332013), we get a palindrome (34133655633143).

The spelling of 31023323301130 in words is "thirty-one trillion, twenty-three billion, three hundred twenty-three million, three hundred one thousand, one hundred thirty".

Divisors: 1 2 5 10 43 86 215 430 1849 3698 9245 18490 1677843337 3355686674 8389216685 16778433370 72147263491 144294526982 360736317455 721472634910 3102332330113 6204664660226 15511661650565 31023323301130