1020253151431 has 8 divisors (see below), whose sum is σ = 1023846231744. Its totient is φ = 1016660826720.

The previous prime is 1020253151419. The next prime is 1020253151441. The reversal of 1020253151431 is 1341513520201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020253151431 - 2¹⁷ = 1020253020359 is a prime.

It is a super-2 number, since 2×1020253151431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020253151431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020253151441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2588050 + ... + 2956096.

It is an arithmetic number, because the mean of its divisors is an integer number (127980778968).

Almost surely, 2^{1020253151431} is an apocalyptic number.

1020253151431 is a deficient number, since it is larger than the sum of its proper divisors (3593080313).

1020253151431 is an equidigital number, since it uses as much as digits as its factorization.

1020253151431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377801.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 1020253151431 its reverse (1341513520201), we get a palindrome (2361766671632).

The spelling of 1020253151431 in words is "one trillion, twenty billion, two hundred fifty-three million, one hundred fifty-one thousand, four hundred thirty-one".