1031404323402 has 16 divisors (see below), whose sum is σ = 2292009607680. Its totient is φ = 343801441116.

The previous prime is 1031404323361. The next prime is 1031404323419. The reversal of 1031404323402 is 2043234041301.

1031404323402 is a `hidden beast` number, since 1 + 0 + 314 + 0 + 4 + 3 + 2 + 340 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9550039978 + ... + 9550040085.

It is an arithmetic number, because the mean of its divisors is an integer number (143250600480).

Almost surely, 2^{1031404323402} is an apocalyptic number.

1031404323402 is an abundant number, since it is smaller than the sum of its proper divisors (1260605284278).

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

1031404323402 is a wasteful number, since it uses less digits than its factorization.

1031404323402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19100080074 (or 19100080068 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1031404323402 its reverse (2043234041301), we get a palindrome (3074638364703).

The spelling of 1031404323402 in words is "one trillion, thirty-one billion, four hundred four million, three hundred twenty-three thousand, four hundred two".