31146462134340 has 96 divisors (see below), whose sum is σ = 99951026837760. Its totient is φ = 7099023630336.

The previous prime is 31146462134239. The next prime is 31146462134353. The reversal of 31146462134340 is 4343126464113.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 31146462134292 and 31146462134301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104891745 + ... + 105188264.

It is an arithmetic number, because the mean of its divisors is an integer number (1041156529560).

Almost surely, 2^{31146462134340} is an apocalyptic number.

31146462134340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31146462134340 is an abundant number, since it is smaller than the sum of its proper divisors (68804564703420).

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

31146462134340 is a wasteful number, since it uses less digits than its factorization.

31146462134340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210080381 (or 210080379 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

Adding to 31146462134340 its reverse (4343126464113), we get a palindrome (35489588598453).

The spelling of 31146462134340 in words is "thirty-one trillion, one hundred forty-six billion, four hundred sixty-two million, one hundred thirty-four thousand, three hundred forty".