1402142232431 has 2 divisors, whose sum is σ = 1402142232432. Its totient is φ = 1402142232430.

The previous prime is 1402142232349. The next prime is 1402142232443. The reversal of 1402142232431 is 1342322412041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1402142232431 - 2¹⁴ = 1402142216047 is a prime.

It is a super-2 number, since 2×1402142232431² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1402142232394 and 1402142232403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402142234431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701071116215 + 701071116216.

It is an arithmetic number, because the mean of its divisors is an integer number (701071116216).

Almost surely, 2^{1402142232431} is an apocalyptic number.

1402142232431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402142232431 is an equidigital number, since it uses as much as digits as its factorization.

1402142232431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1402142232431 its reverse (1342322412041), we get a palindrome (2744464644472).

The spelling of 1402142232431 in words is "one trillion, four hundred two billion, one hundred forty-two million, two hundred thirty-two thousand, four hundred thirty-one".