1031240043402 has 64 divisors (see below), whose sum is σ = 2222499417600. Its totient is φ = 318011417280.

The previous prime is 1031240043373. The next prime is 1031240043437. The reversal of 1031240043402 is 2043400421301.

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, 433173 + ... + 1500039.

It is an arithmetic number, because the mean of its divisors is an integer number (34726553400).

Almost surely, 2^{1031240043402} is an apocalyptic number.

1031240043402 is an abundant number, since it is smaller than the sum of its proper divisors (1191259374198).

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

1031240043402 is a wasteful number, since it uses less digits than its factorization.

1031240043402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067091.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1031240043402 its reverse (2043400421301), we get a palindrome (3074640464703).

The spelling of 1031240043402 in words is "one trillion, thirty-one billion, two hundred forty million, forty-three thousand, four hundred two".