1031249492340 has 96 divisors (see below), whose sum is σ = 2896479855360. Its totient is φ = 274145012736.

The previous prime is 1031249492321. The next prime is 1031249492341. The reversal of 1031249492340 is 432949421301.

It is a junction number, because it is equal to n+sod(n) for n = 1031249492292 and 1031249492301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031249492341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91603992 + ... + 91615248.

It is an arithmetic number, because the mean of its divisors is an integer number (30171665160).

Almost surely, 2^{1031249492340} is an apocalyptic number.

1031249492340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031249492340 is an abundant number, since it is smaller than the sum of its proper divisors (1865230363020).

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

1031249492340 is a wasteful number, since it uses less digits than its factorization.

1031249492340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15881 (or 15879 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 1031249492340 in words is "one trillion, thirty-one billion, two hundred forty-nine million, four hundred ninety-two thousand, three hundred forty".