1011431003402 has 8 divisors (see below), whose sum is σ = 1523657864196. Its totient is φ = 503545048672.

The previous prime is 1011431003399. The next prime is 1011431003411. The reversal of 1011431003402 is 2043001341101.

It can be written as a sum of positive squares in 2 ways, for example, as 985336154881 + 26094848521 = 992641^2 + 161539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085225933 + ... + 1085226864.

Almost surely, 2^{1011431003402} is an apocalyptic number.

1011431003402 is a deficient number, since it is larger than the sum of its proper divisors (512226860794).

1011431003402 is a wasteful number, since it uses less digits than its factorization.

1011431003402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170453032.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1011431003402 its reverse (2043001341101), we get a palindrome (3054432344503).

The spelling of 1011431003402 in words is "one trillion, eleven billion, four hundred thirty-one million, three thousand, four hundred two".