31426121020260 has 96 divisors (see below), whose sum is σ = 88259521698432. Its totient is φ = 8354967470080.

The previous prime is 31426121020249. The next prime is 31426121020271. The reversal of 31426121020260 is 6202012162413.

It is an interprime number because it is at equal distance from previous prime (31426121020249) and next prime (31426121020271).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 25670002 + ... + 26866358.

It is an arithmetic number, because the mean of its divisors is an integer number (919370017692).

Almost surely, 2^{31426121020260} is an apocalyptic number.

31426121020260 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31426121020260 is an abundant number, since it is smaller than the sum of its proper divisors (56833400678172).

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

31426121020260 is a wasteful number, since it uses less digits than its factorization.

31426121020260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197693 (or 1197691 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 31426121020260 its reverse (6202012162413), we get a palindrome (37628133182673).

The spelling of 31426121020260 in words is "thirty-one trillion, four hundred twenty-six billion, one hundred twenty-one million, twenty thousand, two hundred sixty".